Folks,
We
need a definition of how we are using the term "data federation", for the OGSA
glossary. Fortunately we don';t have to find a definition that covers all
the ways the term is used in the world, just how we use it in our
document. Following a short discussion at the OGSA F2F, Jem (who is keeper
of the glossary) suggested the following;
The
integration of multiple data resources so
that they can be accessed as if they were a single
resource.
Allen
suggested that as we are accessing data via services, this would be better
phrased as follows (see the attached message for Allen's explanation in his
own words):
The
integration of multiple services or data resources so
that they can be accessed as if they were a single
service.
We
discussed this on yesterday's call and the consensus was that I should post to
the list and ask for your comments.
We
briefly discussed whether we should separately define "data federation" and
"data integration". One view was that "integration" didn't necessarily
involve distributed resources while "federation" didn't necessarily involve
integrating the resources into a single view. The contrasting view was
that integration almost always involves distributed data in practice, and
especially so in a Grid context, while federation typically requires some way of
accessing the distributed data as a whole. So I'm leaning towards treated
the terms as synonyms within our documents.
What
do you think?
Dave.
Dave: This is (very slightly) modified from your
document - though you don't have the glossary entry filled in
:0)
The
integration of multiple data resources to so
that they can be accessed as if they were a single
resource.
- Jem
Jem
Treadwell
Hewlett-Packard Company
6000 Irwin
Road
Mount Laurel, NJ 08054 |
|